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    • 3. 发明申请
    • DEVICE FOR LIMITING THE VOLUMETRIC FLOW OF A PRESSURIZED FLUID
    • 设备限制加压流体的流速
    • WO1996019674A1
    • 1996-06-27
    • PCT/DE1995001834
    • 1995-12-21
    • SIEMENS AKTIENGESELLSCHAFT
    • SIEMENS AKTIENGESELLSCHAFTMESETH, Johann
    • F15D01/00
    • F15D1/0015F15C1/16
    • The invention concerns a device (1) for limiting the volumetric flow in a system through which a pressurized fluid can flow, the system comprising a flow duct (2). The device (1) has a main axis (3a) and a swirl-generating component (4) which, in order to generate swirling, is arranged at a distance from the main axis (3a) and adapted to introduce the fluid into the flow duct (2). The device (1) is preferably in the form of a structural unit comprising the swirl-generating component (4), a diffuser (7) and a cross-sectional narrowing component (5). The main axis (3a) of the device (1) is preferably parallel to the axis (3) of the flow duct (2) such that the swirl-generating component (4) produces a tangential speed component of the fluid in a plane perpendicular to the axis (3), whereby the volumetric flow (2) is reduced when there is a breakage or leak in the flow duct (2). Narrowing the cross-section of the flow duct (2) by means of the cross-sectional narrowing component (5) further reduces the volumetric flow. The invention further concerns the use of the device in the cooling system of a nuclear reactor plant.
    • 本发明涉及一种装置(1),用于限制在具有流动通道的加压流体系统的通流的体积流量(2)。 所述装置(1)具有主轴线(3a)和其由和用于回旋的与主轴线(3a)的目的为将流体引入所述流动通道(2)被提供间隔开的涡流生成元件(4)。 所述装置(1)优选地被设计作为涡流生成元件的结构单元(4),扩散器(7)和一个横截面缩小元件(5)。 所述装置(1)的主轴线(3a)的优选平行于所述轴线(3)的流动通道(2)的,以使得由涡流产生元件(4)具有在一个平面中的流体的切向速度分量垂直于所述轴线(3) 发生,从而减少休息期间或在所述流动通道(2)的体积流量的泄漏得以保证。 通过所述流动通道(2)与所述横截面缩小元件(5)的横截面变窄实现体积流量的额外降低。 本发明还涉及一种在核反应堆设备的冷却系统的装置的使用。
    • 10. 发明申请
    • DEVICE FOR TRANSFORMING A FLUID FLOW
    • 用于改变流体流动的装置
    • WO1986007417A1
    • 1986-12-18
    • PCT/EP1986000333
    • 1986-06-04
    • ISTVAN, Majoros
    • F15D01/00
    • B65G53/58B01F5/0057F15D1/0015
    • A device for the transformation of a fluid flow comprises a chamber with two sidewalls and a circular or spiral peripheral wall extending between the sidewalls. A flow channel opens in the chamber tangentially to the peripheral wall. An elongate core having a circular cross-section is axially arranged in the chamber and extends in an opening of a sidewall by forming a ring-shaped slot. For any two points of the fluid flow inside the chamber, the condition w1r1 = w2r2 must be essentially fulfilled, ri being the radial distance between the point Pi and the axis of the arc of a circle or of the spiral arc described by the peripheral wall, wi being the flow rate of the fluid at the point Pi and n is a constant defined by 0
    • 用于转换流体流的装置包括具有两个侧壁的室和在侧壁之间延伸的圆形或螺旋周边壁。 流动通道在腔室中切向于周壁打开。 具有圆形横截面的细长芯部轴向地布置在腔室中并且通过形成环形槽而在侧壁的开口中延伸。 对于室内流体流动的任何两个点,条件w1r1 = w2r2 必须基本上满足,ri是点Pi与圆弧或螺旋线的圆弧的轴线之间的径向距离 圆周壁描述的弧,wi是点Pi处流体的流速,n是由0